WO2000009404A2 - Emballage en vrac - Google Patents

Emballage en vrac Download PDF

Info

Publication number
WO2000009404A2
WO2000009404A2 PCT/US1999/017922 US9917922W WO0009404A2 WO 2000009404 A2 WO2000009404 A2 WO 2000009404A2 US 9917922 W US9917922 W US 9917922W WO 0009404 A2 WO0009404 A2 WO 0009404A2
Authority
WO
WIPO (PCT)
Prior art keywords
container
liner
side walls
flexible
rigid
Prior art date
Application number
PCT/US1999/017922
Other languages
English (en)
Other versions
WO2000009404B1 (fr
WO2000009404A3 (fr
Inventor
David W. Perkins
Original Assignee
Paper Systems, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to AU53432/99A priority Critical patent/AU5343299A/en
Application filed by Paper Systems, Inc. filed Critical Paper Systems, Inc.
Publication of WO2000009404A2 publication Critical patent/WO2000009404A2/fr
Publication of WO2000009404A3 publication Critical patent/WO2000009404A3/fr
Publication of WO2000009404B1 publication Critical patent/WO2000009404B1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
    • B65D77/06—Liquids or semi-liquids or other materials or articles enclosed in flexible containers disposed within rigid containers
    • B65D77/061—Liquids or semi-liquids or other materials or articles enclosed in flexible containers disposed within rigid containers the containers being mounted on a pallet

Definitions

  • the present invention relates to bulk containers for flowable materials including, but not limited to, fluids. More particularly, this invention relates to a unique flexible bulk container system which is stackable both in use and in storage and is collapsible to facilitate more compact storage.
  • a primary objective of the present invention is the provision of an improved bulk container system.
  • Another objective of this invention is the provision of a container system that is collapsible when not in use.
  • Another objective of this invention is the provision of a container system with an outer body or frame that includes some flexible side walls and some rigid side walls, such that the outer body foldingly collapses for storage.
  • Another objective of this invention is the provision of a container system that can be stored on or incorporated with a standard wooden shipping pallet.
  • Another objective of this invention is the provision of a container system that is lightweight, strong, waterproof, durable and yet stackable. Another objective of this invention is the provision of a container system that utilizes rigid support walls removably disposed in pockets in some, but not all, sides the outer body.
  • Another objective of this invention is the provision of a container system that is shaped like an octagon in a horizontal plane so as to allow a relatively large volume of material to be stored in a given space, utilizing a round of cylindrical liner.
  • Another objective of this invention is the provision of a container system that is economical to produce, easy to use and repair, and reliable.
  • the present invention relates to a container for fluent material.
  • the container includes a flexible liner for holding the fluent material, a plurality of substantially vertical support walls spaced around the periphery of the liner, and a flexible skin interconnecting the walls and encircling the liner so as to laterally constrain and support it when fluent material is added.
  • the container can include a bottom wall under the liner and connected to some of the support walls. Furthermore, a top platform can be removably secured over the liner so as to rest on top of the support walls. This provides the strength and rigidity to make the container system stackable.
  • the support walls can be removably disposed in pockets or a sleeve in the flexible skin.
  • the container system of this invention is flexible and lightweight.
  • the container can be removably secured to a standard wooden pallet, and the resulting unit can be stacked for more efficient use of storage space.
  • the unit easily breaks down, with the container being foldingly collapsible, even with the support walls in place.
  • Figure 1 is a perspective view of bulk container system of this invention.
  • Figure 2 is a perspective view illustrating the construction of the bottom container shown in Figure 1.
  • the other container(s) stacked thereon share the same common structure as shown in Figure 2.
  • Figure 3 is a sectional view of the outer body of the container taken along line 3-3 in Figure 2.
  • Figure 4 is a front elevation view of the outer body of the container of Figure 3 in a folded condition for storage or transport when the container is empty.
  • the vertical spacing is exaggerated slightly to better show the flexible sides or sections interconnecting the support walls.
  • Figure 1 shows two container systems 10, 12 of this invention stacked on top of each other for storage or transport.
  • Figure 2 shows the construction of the container 14 which is the main component of the flexible stackable container system 10, 12.
  • the container 14 includes a removable flexible liner 16 having an inlet opening with a top cap 18 and a drain or outlet opening with a threaded plug 20 therein.
  • the liner 16 is empty when first inserted into the outer body skin 22.
  • Polyethylene liners are known to perform well in holding nonhazardous fluent materials.
  • the container 14 further includes a bottom 24 joined along a seam 26 with an outer skin 28.
  • the outer skin 28 includes a top flap 30 which overlaps an inner skin 32 that is joined to the bottom 24 and the outer skin 28 along seam 26. This forms a sleeve with an upwardly directed opening therein 34 between the inner and outer skins 28, 32.
  • a top flap 30 which overlaps an inner skin 32 that is joined to the bottom 24 and the outer skin 28 along seam 26. This forms a sleeve with an upwardly directed opening therein 34 between the inner and outer skins 28, 32.
  • sleeve 34 comprises a plurality of pockets.
  • a woven polypropylene fabric-like material is preferred for the bottom 24, as well as for inner and outer skins 28, 32. At least the outer skin 28 should be coated to waterproof the skin so the container can be stored indoors or outdoors.
  • a plurality of rigid support walls 36 are inserted into the sleeve 34 or pockets at spaced intervals circumferentially around the liner 16.
  • the support walls 36 include a pair of horizontally spaced upright members 38, 40 and a substantially rigid wall member 42 which extends between the upright members 38, 40 and is attached to them.
  • the wall member 42 and the upright members 38, 40 are made of wood, but other strong and lightweight materials cold be used without detracting significantly from the invention. To store up to 200-400 gallons in the container, a one-half inch thick particle board wall member 42 and 1 inch by 4 inch pine upright members 38, 40 will suffice.
  • an octagonal outer body skin 22 is formed around the liner 16 by inserting the support walls 36 into the sleeve 34 or pockets on the odd numbered sides 1, 3, 5 and 7.
  • the flap 30 is folded over the support walls 36 until it overlaps the inner skin 32. Folds, seams or slits 44 are provided along the flap 30 to allow it to lay flat.
  • the seams 44 may extend all the way to the bottom 24.
  • the flap 30 can be secured to the inner skin 32 along a seam 46 by glue, stitching, or other suitable means of securement.
  • Figure 4 illustrates that the container 14 can be collapsed when the liner 16 is empty or removed. The user merely folds the sides of the container 14 inwardly upon each other until the compact rectilinear structure shown results. This structure is compact, lightweight, and easily storable or transportable. Other methods of folding the container 14, with or without the rigid support walls being removed, are contemplated and would be obvious to those skilled in the art after studying the drawings and this description. It is contemplated that the bottom 24 may not be necessary, as the container 14 can be placed on a sufficiently supportive pallet 50 prior to inserting and filling the liner 16.
  • a conventional wooden pallet 50 can be positioned in supporting or load bearing relation under the liner 16 of the container 14.
  • the outer body skin 22 and the support walls 36 contained therein rest on the pallet 50.
  • a substantially rigid top platform 52 is placed on top of the container 14.
  • the platform 52 rests on at least some of the vertical support walls 36.
  • Corner protectors 54 mount on some edges of the platform 52 as shown, preferably over the support walls 36. Then the user can secure the top 52 to the container 14 and the container 14 to the pallet 50 with a plurality of flexible strapping bands 56, 58, 60 and 62. Once the bands 56-62 are tightened and locked, the container 14 and pallet 50 move as an integrated unit.
  • Figure 1 shows the containers 10, 12 stacked two units high; however, it is possible that the units could be stacked even higher. It is important that the support walls 36 be positioned directly over each other for optimum results.
  • the upright members 38, 40 carry the bulk of the compressive load.
  • the force or pressure of the flowable material in the liner pushes outwardly with substantially equal force on all of the support walls 36.
  • the filled liner 16 actually hydraulically stabilizes or "hydrostabilizes" the support walls 36, keeping them vertical and rigid for stacking purposes.
  • the collapsed container 14 is unfolded from the storage position shown in Figure 4.
  • the container 14 is placed on a supporting surface, such as the pallet 50 and arranged in its octagonal configuration, as shown in Figure 2.
  • the empty liner 16 is placed inside the loop of the outer body skin 22 with the inlet opening or top cap 18 up and the drain opening plug 20 registered with the aperture 23 provided in the outer body skin 22.
  • the user fills the liner 16 with the fluent material, then replaces the top cap 18. If the container 14 is to be stacked, the user will apply the top platform 52 and the bands 56-62, but these items are optional in non-stacking applications.
  • the width of the flexible sides 2, 4, 6 and 8 can be varied. However, the widths of sides 2, 4, 6 and 8 should be at least as great as the widths of the corresponding adjacent sides 1, 3, 5 and 7 to provide the greatest collapsibility. It is contemplated that one or two flexible sides of sufficient width would still allow the container sides to be folded and collapsed for more compact storage.
  • the bulk container of this invention efficiently stores and facilitates handling of nonhazardous liquids, including, but not limited to, tomato paste, purees, and concentrates.
  • One person can assemble the container system in about a minute.
  • the container is hydrostabilized so no horizontal banding is required.
  • this container system weighs 70 percent less than similar conventional bins. This container system also saves freight costs whether the container is full or empty (broken down).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)

Abstract

L'invention concerne un système de récipient (10), comprenant un récipient (12, 14) une garniture souple (16) destinée à renfermer un matériau coulant, une pluralité de parois de support (36) rigides, sensiblement verticales, disposées espacées autour de la garniture (16), et une enveloppe souple reliant les parois (36) et entourant la garniture (16), afin de contraindre latéralement ladite garniture (16) et de la soutenir lorsqu'on ajoute le matériau coulant. Le récipient (12, 14) peut comprendre un fond (24) situé sous la garniture (16), et relié à certaines des parois de support (36). En outre, une plate-forme supérieure (52) peut être fixée amovible sur la garniture (16), afin de reposer sur le haut des parois de support (36), ce qui permet d'obtenir la résistance et la rigidité nécessaires à l'empilage du système de récipient. Les parois de support (36) peuvent être disposées amovibles dans les poches ou dans un manchon (34) de l'enveloppe souple (22).
PCT/US1999/017922 1998-08-11 1999-08-09 Emballage en vrac WO2000009404A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU53432/99A AU5343299A (en) 1998-08-11 1999-07-09 Bulk container

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/132,190 US6000549A (en) 1998-08-11 1998-08-11 Bulk container
US09/132,190 1998-08-11

Publications (3)

Publication Number Publication Date
WO2000009404A2 true WO2000009404A2 (fr) 2000-02-24
WO2000009404A3 WO2000009404A3 (fr) 2000-05-18
WO2000009404B1 WO2000009404B1 (fr) 2000-06-22

Family

ID=22452889

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/017922 WO2000009404A2 (fr) 1998-08-11 1999-08-09 Emballage en vrac

Country Status (3)

Country Link
US (2) US6000549A (fr)
AU (1) AU5343299A (fr)
WO (1) WO2000009404A2 (fr)

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Also Published As

Publication number Publication date
US6164453A (en) 2000-12-26
AU5343299A (en) 2000-03-06
WO2000009404B1 (fr) 2000-06-22
US6000549A (en) 1999-12-14
WO2000009404A3 (fr) 2000-05-18

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